Charging Batteries During the Day, Draining them Each Night
I''ve been quoted a 7.2 kWh system, which will supply roughly 99% of our power needs. During the day, when we are mostly never home, except for on the weekend. ... (to account for a quarter of the day with solar power) So if your average daily usage is 28, you might want to consider 20 kWh of storage. This would also give you enough wiggle room ...